国家/地区 中国（2）
IPC部 B（2）
IPC大类 B05（2）
IPC小类 B05D（2）
IPC B05D007/14（2）
发明人 ZHANG X（2）
公开年 2023（2）
申请年 2022（2） 
专利权人

Preparation method for composite plate strip material, involves taking two single corrugated surface metal plate strip materials, and matching corrugation surfaces of two of single steel sheet metal sheet strip material.

HU H, CHENG C, LI S, LIU H, ZHOU Y, GUO X, ZHANG X, ZHANG Y, ZHAO J, SONG K, HUANG T

Preparation of high-performance thread used in oil and gas application, by processing steel threads, spraying polyurea elastomer on surface of external thread, curing polyurea elastomer, applying long-chain polymer glue on surface of thread and spraying solid lubricating particles on polymer glue.

SI X, WANG K, LI H, FANG X, YANG T, LV S, LUO Y, ZHANG X, NAN B, YANG Z, TUO C, ZHANG Y